Caution: This document contains mixed page sizes ... - Igor Chudov

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IMPORTANT!
KEEP ENTIRE FUEL SYSTEM CLEAN AND FREE FROM
WATER
DIESEL INJECTION PUMPS WILL FAIL IF SYSTEM
CLEANLINESS IS NEGLECTED
INJECTION PUMPS AND NOZZLES ARE NOT FIELD
REPAIRABLE
=
WHEN TROUBLESHOOTING. CHECK ALL OTHER
COMPONENTS FIRST
WARNING DO NOT IEE ETHER STARTING
AIDS! ETHER IS EXTREMELY EX-
PLOSIVE AND MAY CAUSE SERIOUS PERSONAL IN-
JURY. ENGINE DAMAGE IS ALSO LIKELY. .
ONAN DIESEL STARTING GUIDE
FUEL TRANSFER
FUEL RETURN
NE CONNECTION
INJECTION PUMP
BEFORE STARTING: I CHECK FUEL SUPPLY. BE SURE SHUTOFF VALVES ARE OPEN. I
TO START
PRIME FUELSYSTEM IF: FUEL FILTERS WERE DRAINED OR CHANGED,
a
SYSTEM WAS JUST INSTALLED. FUEL TANK RAN DRY.
TO PRIME PUMP. MOVE PRIMING LEVER UP AND DOWN UNTIL FUEL
FLOWS STEADILY FROM RETURN LINE (DISCONNECTED).
PREHEAT COLD ENGINE PUSH PREHEAT SWITCH AND HOLD -
30 SECONDS IF ABOVE %OF (13oC);
60 SECONDS IF BELOW 55'F (13eC).
I RELEASE PREHEAT '
ENGAGE START SWITCH
STOP
I LIMIT CRANKING TO 15 TO 20 SECONDS TO CONSERVE BARRY. ALLOW? MINUTE BEFORE RE- CRANKING. I '
IF ENGINE DOES NOT STARE IF ENGINE FIRED, REPEAT ABOVE PROCEDURES, INCLUDING PRE-
HEAT. IF IT STILL DOES NOT START, PROCEED AS FOLLOWS
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TEMPERATURES BELOW 320~ (ooc]: USE NUMBER 1 DIESEL FUEL USE CORRECT VISCOSITY OIL.
KEEP BATTERIES FULLY CHARGED. DO NOT USE ETHER STARTING AID. I
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OBSERVE ENGINE EXHAUST "SIGNALS":
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BLUE-WHITE EXHAUST SMOKE:
ENGINE IS GETTING FUEL
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LITTLE OR NO EXHAUST SMOKE ENGINE IS NOT GETTING FUEL.
PRIME FUEL SYSTEM AS SHOWN ABOVE
OBSERVE FUEL FLOW FROM RETURN LINE
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CHECK PREHEAT SYSTEM:
1. OBSERVE AIR HEATER THRU
AIR INLET HOLE OR BY REMOV-
ING AIR CLEANER.
2. ENGAGE PREHEAT.
3. IFHEATERELEMENTDOESNOT
GLOW RED WITHIN 30
SECONDS, CHECK AIR HEATER
AND GLOW PLUG WIRING
CONNECTIONS TIGHT?
FREE FROM CORROSION?
2-79 900-0217
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FUEL FLOWS STEADILY
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CHECK FUEL SOLENOID
SOLENOID ROD SHOULD
PULL IN AND THROlTLE ARM
FOLLOW (AS SHOWN) WHEN
START SWITCH IS TURNED
ON. IF NOT, CHECK FOR
NG LINKAGE
E OR BROKEN WIRES
OLENOID ROD
THROTTLE ARM
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CHECK FUEL SUPPLY
SYSTEM:
FUEL TANK EMPTY?
SHUTOFF VALVES
CLOSED? '
FUEL LINES KINKED?
LOOSE CONNECTIONS?
CLOGGED FUEL FILTERS?
IF ENGINE IS STILL NOT GETTING FUEL, CHECK TRANSFER PUMP:
1. CRANK ENGINE AND OBSERVE FUEL FLOW FROM RETURN LINE.
2. IF FUEL DOES NOT SPURT OUT. PUMP MAY BE DEFECTIVE.
I IF ENGINE STILL DOES NOT START. CONTACT AUTHORIZED ONAN SERVICE REPRESENTATIVE I
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